Across
- 1. objects or materials made by humans.
- 8. something that remains after the rest has been used.
- 9. resources that cannot be renewed in a natural way after they have been used up.
- 10. resource, materials that do not come directly from nature but are processed. This means that these materials are made by humans.
- 14. waste material.
- 15. materials, elements or things needed by humans.
- 18. things that are able to decompose naturally in a short amount of time.
- 20. material that after being used or extracted, have the capacity to regenerate.
Down
- 2. things that take a long time to decompose.
- 3. break down in very small and simpler pieces that finally mixes with the soil.
- 4. place where the trash or waste of a town is gathered or stored.
- 5. resource, materials that humans take from nature and use for their benefit.
- 6. leftovers of man-made materials.
- 7. leftovers of living things such as leaves, fruit and vegetable peels, branches, and food.
- 11. out, something that is used up completely.
- 12. to cut a whole forest without caring.
- 13. synonym of waste or trash.
- 16. not used in an appropriate way.
- 17. material that is eliminated as no longer useful.
- 19. to contaminate or throw garbage to the floor, water or air.
